Add data_template_panel_name_to_number and rename data_template_panel_name

2 files changed, 23 insertions, 2 deletions

diff --git a/libcrystfel/src/datatemplate.c b/libcrystfel/src/datatemplate.c
index 2593a7f9..7117a62e 100644
--- a/libcrystfel/src/datatemplate.c
+++ b/libcrystfel/src/datatemplate.c
@@ -1303,6 +1303,23 @@ const char *data_template_panel_name(const DataTemplate *dt, int pn)
 }
 
 
+int data_template_panel_name_to_number(const DataTemplate *dt,
+                                       const char *panel_name,
+                                       int *pn)
+{
+	if ( panel_name == NULL ) return 1;
+
+	for ( i=0; i<dt->n_panels; i++ ) {
+		if ( strcmp(panel_name, dt->panels[i].name) == 0 ) {
+			*pn = i;
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+
 void data_template_add_copy_header(DataTemplate *dt,
                                    const char *header)
 {
diff --git a/libcrystfel/src/datatemplate.h b/libcrystfel/src/datatemplate.h
index 9cb60bf1..a4520ba2 100644
--- a/libcrystfel/src/datatemplate.h
+++ b/libcrystfel/src/datatemplate.h
@@ -54,8 +54,12 @@ extern "C" {
 extern DataTemplate *data_template_new_from_file(const char *filename);
 extern void data_template_free(DataTemplate *dt);
 
-extern const char *data_template_panel_name(const DataTemplate *dt,
-                                            int pn);
+extern const char *data_template_panel_number_to_name(const DataTemplate *dt,
+                                                      int pn);
+
+extern int data_template_panel_name_to_number(const DataTemplate *dt,
+                                              const char *panel_name,
+                                              int *pn);
 
 extern int data_template_file_to_panel_coords(const DataTemplate *dt,
                                               float *pfs, float *pss,